Home / 97,801.45-134,772.47-69,427.69

Finding the Fourth Proportional to 97,801.45, 134,772.47 and 69,427.69

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Solution

The fourth proportional to 97,801.45, 134,772.47 and 69,427.69 is: 95,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,801.45 : 134,772.47 = 69,427.69 : x
  2. Step 2: Convert to fraction form
    97,801.45/134,772.47 = 69,427.69/x
  3. Step 3: Cross multiply
    97,801.45x = 134,772.47 × 69,427.69
  4. Step 4: Simplify right side
    97,801.45x = 9,356,940,920.56
  5. Step 5: Solve for x
    x = 9,356,940,920.56/97,801.45
  6. Step 6: Final answer
    x = 95,672.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.